<TABLE>
Nicor Gas Company
Form 10-Q
Exhibit 12.01
Nicor Gas Company
Computation of Consolidated Ratio of Earnings to Fixed Charges
(thousands)
<CAPTION>
Twelve
months ended
September 30,
-------------------------------------------------------------
2000 1999 1998 1997 1996 1995
--------- ---------- --------- --------- --------------------
Earnings available to cover fixed charges:
<S> <C> <C> <C> <C> <C> <C>
Net income $ 18,761 $ 96,142 $ 94,119 $ 106,922 $ 107,106 $ 85,448
Add: Income taxes 4,459 55,896 55,299 64,714 63,579 49,881
Fixed charges 40,080 38,914 44,870 46,886 46,747 39,400
Allowance for funds
used during
construction (309) (118) (269) (11) (5) (911)
--------- ---------- --------- --------- --------------------
$ 62,991 $ 190,834 $ 194,019 $ 218,511 $ 217,427 $ 173,818
========= ========== ========= ========= ====================
Fixed charges:
Interest on debt $ 40,043 $ 39,245 $ 42,624 $ 45,246 $ 43,762 $ 38,129
Other interest charges
and amortization of
debt discount premium,
and expense, net 37 (331) 2,246 1,640 2,985 1,271
--------- ---------- --------- --------- --------------------
$ 40,080 $ 38,914 $ 44,870 $ 46,886 $ 46,747 $ 39,400
========= ========== ========= ========= ====================
Ratio of earnings to
fixed charges 1.57 4.90 4.32 4.66 4.65 4.41
========= ========== ========= ========= ====================
</TABLE>
